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57408024232 = 23134311280743
BaseRepresentation
bin110101011101110010…
…001110111010101000
312111011212022210102201
4311131302032322220
51420032423233412
642212313105544
74101424104016
oct653562167250
9174155283381
1057408024232
112238a373329
12b1619b82b4
13554b766710
142ac853d8b6
15175ee09e57
hexd5dc8eea8

57408024232 has 32 divisors (see below), whose sum is σ = 116189095680. Its totient is φ = 26434514880.

The previous prime is 57408024227. The next prime is 57408024313. The reversal of 57408024232 is 23242080475.

It is a junction number, because it is equal to n+sod(n) for n = 57408024191 and 57408024200.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 595548 + ... + 685195.

It is an arithmetic number, because the mean of its divisors is an integer number (3630909240).

Almost surely, 257408024232 is an apocalyptic number.

57408024232 is a gapful number since it is divisible by the number (52) formed by its first and last digit.

It is an amenable number.

57408024232 is an abundant number, since it is smaller than the sum of its proper divisors (58781071448).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

57408024232 is a wasteful number, since it uses less digits than its factorization.

57408024232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1281193 (or 1281189 counting only the distinct ones).

The product of its (nonzero) digits is 107520, while the sum is 37.

The spelling of 57408024232 in words is "fifty-seven billion, four hundred eight million, twenty-four thousand, two hundred thirty-two".

Divisors: 1 2 4 8 13 26 52 104 431 862 1724 3448 5603 11206 22412 44824 1280743 2561486 5122972 10245944 16649659 33299318 66598636 133197272 552000233 1104000466 2208000932 4416001864 7176003029 14352006058 28704012116 57408024232